80353631 has 2 divisors, whose sum is σ = 80353632. Its totient is φ = 80353630.

The previous prime is 80353619. The next prime is 80353633. The reversal of 80353631 is 13635308.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80353631 - 2¹⁰ = 80352607 is a prime.

It is a super-2 number, since 2×80353631² = 12913412029768322, which contains 22 as substring.

Together with 80353633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80353594 and 80353603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80353633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40176815 + 40176816.

It is an arithmetic number, because the mean of its divisors is an integer number (40176816).

Almost surely, 2^80353631 is an apocalyptic number.

80353631 is a deficient number, since it is larger than the sum of its proper divisors (1).

80353631 is an equidigital number, since it uses as much as digits as its factorization.

80353631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 80353631 is about 8964.0186858351. The cubic root of 80353631 is about 431.5209005468.

Adding to 80353631 its reverse (13635308), we get a palindrome (93988939).

The spelling of 80353631 in words is "eighty million, three hundred fifty-three thousand, six hundred thirty-one".